Finding the Fourth Proportional to 455,069.74, 627,995.74 and 251,120.60
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Solution
The fourth proportional to 455,069.74, 627,995.74 and 251,120.60 is: 346,546.15
Step by Step Solution
- Step 1: Write the proportion equation
455,069.74 : 627,995.74 = 251,120.60 : x - Step 2: Convert to fraction form
455,069.74/627,995.74 = 251,120.60/x - Step 3: Cross multiply
455,069.74x = 627,995.74 × 251,120.60 - Step 4: Simplify right side
455,069.74x = 157,702,667,026.24 - Step 5: Solve for x
x = 157,702,667,026.24/455,069.74 - Step 6: Final answer
x = 346,546.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.